Home / 40,443.81-60,663.87-15,495.60

Finding the Fourth Proportional to 40,443.81, 60,663.87 and 15,495.60

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Solution

The fourth proportional to 40,443.81, 60,663.87 and 15,495.60 is: 23,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,443.81 : 60,663.87 = 15,495.60 : x
  2. Step 2: Convert to fraction form
    40,443.81/60,663.87 = 15,495.60/x
  3. Step 3: Cross multiply
    40,443.81x = 60,663.87 × 15,495.60
  4. Step 4: Simplify right side
    40,443.81x = 940,023,063.97
  5. Step 5: Solve for x
    x = 940,023,063.97/40,443.81
  6. Step 6: Final answer
    x = 23,242.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.